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wp-content/plugins/gravitysmtp/includes/alerts/connectors/class-twilio-alert-connector.php

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+<?php
+
+namespace Gravity_Forms\Gravity_SMTP\Alerts\Connectors;
+
+use Gravity_Forms\Gravity_SMTP\Logging\Debug\Debug_Logger;
+
+class Twilio_Alert_Connector implements Alert_Connector {
+
+	const BASE_URL = 'https://api.twilio.com/2010-04-01/Accounts';
+
+	/**
+	 * @var Debug_Logger
+	 */
+	private $debug_logger;
+
+	public function __construct( Debug_Logger $debug_logger ) {
+		$this->debug_logger = $debug_logger;
+	}
+
+	public function send( $send_args ) {
+		$account_id = $send_args['account_id'];
+		$auth_token = $send_args['auth_token'];
+		$to         = $send_args['to'];
+		$from       = $send_args['from'];
+		$message    = $send_args['message'];
+
+		$request_body = array(
+			'ApplicationSid' => $account_id,
+			'Body'           => $message,
+			'To'             => $to,
+			'From'           => $from,
+		);
+
+		$request_body = apply_filters( 'gravitysmtp_twilio_alert_request_body', $request_body, $send_args );
+
+		$request_headers = array(
+			'Authorization' => $this->get_auth_header( $account_id, $auth_token ),
+		);
+
+		$this->debug_logger->log_debug( __METHOD__ . '(): About to make request to Twilio with the following request args: ' . json_encode( $request_body ) );
+
+		$request_params = array(
+			'body'    => $request_body,
+			'headers' => $request_headers,
+		);
+
+		$request = $this->make_request( $this->get_request_url( $account_id ), $request_params );
+
+		if ( is_wp_error( $request ) ) {
+			$this->debug_logger->log_error( __METHOD__ . '(): Request to Twilio failed. Details: ' . $request->get_error_message() );
+
+			return false;
+		}
+
+		$this->debug_logger->log_debug( __METHOD__ . '(): Request to Twilio succeeded.' );
+
+		return true;
+	}
+
+	public function make_request( $url, $request_args ) {
+		$request = wp_remote_post( $url, $request_args );
+		$code    = wp_remote_retrieve_response_code( $request );
+
+		if ( (int) $code !== 201 ) {
+			$this->debug_logger->log_error( wp_remote_retrieve_body( $request ) );
+
+			return new \WP_Error( 'Could not send message via Twilio.' );
+		}
+
+		return true;
+	}
+
+	private function get_request_url( $account_id ) {
+		return sprintf( '%s/%s/Messages.json', self::BASE_URL, $account_id );
+	}
+
+	private function get_auth_header( $account_id, $auth_token ) {
+		return 'Basic ' . base64_encode( sprintf( '%s:%s', $account_id, $auth_token ) );
+	}
+}